1.RefDesk
Teachers can quickly access news and reference materials through this easy-to-use online tool that features a currency converter and calculator and includes quick links to most Internet-based email providers and search engines.
2. Google’s SMS Service
Educators can search Google from their cell phones and have results sent directly to them in a text message.
3. Google Image Search
A great tool to use for teachers who are looking for specific images to use in presentations or lectures.
4. Google Alerts
Educators enter keywords or phrases they need for their lessons and Google emails them an alert each time that keyword appears in a news report, website or blog post.
5. Scholar
Google Scholar offers teachers a simple way to access scholarly literature that can be cited in their lesson plans.
6. Google Patent Search
Google Patent Search can be used to quickly access graphs, inventor information, issue and filing dates and patent numbers on over seven million inventions and ideas.
7. News Archive Search
Teachers can research historical documents and news archives based on topic or time period.
8. Book Search
With Book Search, users can browse categories or search for a specific book, read excerpts, preview the book, read reviews, purchase the book or opt to read it online.
9. Google Special Searches
Google Special Searches are perfect for teachers who want to search for information restricted to their subject matter.
10. TeacherTube
The YouTube for teachers, TeacherTube is the perfect place to find educational videos to use in lessons, tutorials or classroom instruction. Tools for communicating with Students and Parents
11. Meebo
Meebo is a free instant messaging site that allows teachers to chat with parents and other educators across all major instant messaging networks.
12. Google Groups
Google Groups is great way to encourage students to collaborate on class projects. Teachers can create a group page, invite students to the group and post discussion topics and links.
13. Google Page Creator
Perfect for the teacher who doesn’t have web design or blogging experience, the Google Page Creator tool allows users to quickly and easily create their own web pages.
14. Google Sites
This free Google app allows teachers to create a secure group website without web design or HTML knowledge.
15. Google Talk
Google Talk provides teachers, parents and students a platform to text, voice chat and share files.
16. GoToMyPC
This software gives teachers a direct line to the school computer from their home computer or cell phone, making it easy to find and share information when they need it.
17. Scribd
Scribd is a document-sharing site where users can post documents and embed them into a web page, making it useful for teachers and students to collaborate on projects.
18. Bookgoo
This tool is similar to Scribd, but has the enhanced ability to allow teachers to edit and correct the uploaded documents.
19. Backboard
Backboard is a more expensive option that Scribd or Bookgoo, but has additional features, such as real-time feedback, email reports and hidden feedback options.
20. SchoolRack
This is a free tool for teachers that allows them to easily and quickly create classroom websites, interactive portals and parent/student mailing lists.
21. Edmodo
Edmodo is Twitter for teachers and was created specifically for classroom use. Features include a classroom calendar, micro-blogging, file and link sharing, assignments and grading functions. Organizational Tools
22. Google Calendar
With Google Calendar, users can invite other teachers, parents or administrators to events, include students’ birthdays and test dates and send reminders directly to their cell phone.
23. Google Desktop
Google Desktop is perfect for the teacher who plans to use several Google applications as it makes it easy to find and launch apps and email from the Google Gadget button on their iGoogle page.
24. Google Mobile
Thanks to Google Mobile teachers can work on lesson plans whenever the mood strikes by utilizing these tools designed specifically for their cell phone.
25. Google Notebook
Google Notebook makes it easy for teachers to organize their lessons by allowing them to transfer images, text and links from the Internet browser on their phone to Google Notebook.
26. Google Reader
Google Reader is a one-stop shop for teachers to read updates on all of the relevant websites, news sources and blogs they use in their lessons.
27. LinkaGoGo
LinkaGoGo is an online bookmarking application that stores and organizes bookmarks and allows teachers to create a specific page for different bookmarks and topics.
28. Toodledo
This is a free online to-do list that can be accessed by the user’s cell phone. Toodledo helps educators increase productivity by storing tasks in folders and subfolders and by tagging those tasks according to due date, priority, goals and estimated time.
29. MySchoolog
Created to help students get organized, MySchoolog allows the user to schedule and organize school-related activities with to-do lists, class schedules and email reminders.
30. Hooeey
Hooeey is free tool that memorizes web browsing and allows educators to tag and comment on previously viewed links. Sharing Tools
31. Evernote
Evernote is a note-taking tool that can easily be synced with a cell phone, allowing teachers to create and share notes on the go.
32. Google Docs
Formerly called “Writely,” Google Docs allows users to join forces and create and edit documents in real time.
33. Drop.io
Drop.io is a two-click operation that allows teachers to share files via cell phone, email, fax or a variety of other applications while ensuring students’ privacy.
34. Notecentric
Notecentric is a great tool for students to take and share notes online and is especially helpful for teachers who organize study groups and want to access that group information from their cell phones.
35. Wridea
Wridea is a free idea management application that allows educators to get their ideas down quickly, then organize and categorize them under different pages that can either be shared or marked private.
36. Keep and Share
This group file sharing tool allows teachers and students to share documents via a password-controlled interface.
37. Twiddla
Twiddla is an online meeting and co-browsing tool where teachers can correct and comment on files, images and other user-submitted content.
38. Spicebird
Spicebird is an open-source application that allows teachers to access their email, instant messaging and calendar from the same platform.
39. Stixy
With Stixy, teachers can put all of their sticky notes in one place, collaborate with other users and share documents and images.
40. ReviewBasics
Review Basics is an online tools that allows educators to share, correct and mark on images, videos and documents.
41. EditGrid
Similar to Microsoft Excel, EditGrid is a web-based tool that lets teachers share and publish spreadsheets.
42. ooVoo
Offering two-way video chat and six-way text chat, ooVoo is a great tool for teachers who need to meet with parents or conduct small group meetings outside of the classroom.
43. Palbee
Palbee is a free video conferencing tool where teachers and parents can participate in a video meeting or chat.
44. GroupTweet
This is a little corner of the tweetosphere set aside for Twitter users who want to communicate privately. It is ideal for teachers who want input or ideas from other educators outside of their network.
45. Mikogo
This easy-to-use sharing software allows teachers to collaborate for online meetings, conferences and presentations.
46. Vyew
Vyew is a platform for teachers and educators to join forces in real time when working on webinars and conferences.
47. Rave Wireless
This software allows teachers to one-way message students regarding announcements, class changes or grade postings.
48. Revisions
Revisions is a free tool created by Michigan State University that allows teachers to correct students’ submissions with either text or audio comments.
49. Scriblink
This is a free whiteboard that allows teachers and students to collaborate and share ideas in real-time, without the need to register for an account or download software.
50. SlideShare
Slideshare is a web-based tool that allows teachers to upload PowerPoint presentations and share them with other teachers and educators.
51. Chalksite
Chalksite is an online tool teachers can use to post grades and assignments, start discussions and send messages to students and parents.
52. Curriki
This wiki-based site is where teachers can share lesson plans, handouts and study guides with other educators. Test-Making and Grading Tools
53. iQuiz
With iQuiz, teachers can create quizzes, sync them from iTunes or their iPod and share them with other educators or students.
54. ClassMarker
ClassMarker allows teachers to create multiple-choice, true/false, short answer, fill in the blank and essay tests. Results are given instantly to students and emailed directly to the educator.
55. Study Cell
Teachers and students can create flashcards for their cell phones or use flashdecks that were created by other users.
56. SnapGrades
An online grade book for teachers that allows students and parents to check grades online and receive email notifications and alerts when grades have been posted.
57. SchoolTool
This free open-source application allows teachers or administrators to record grades, track attendance, update the calendar and create report cards.
58. Engrade
Engrade is similar to SchoolTool, but is easier to use and offers an assignments calendar and grade and attendance tracker. Miscellaneous Teaching and Lesson Planning Tools
59. The Clever Sheep
The Clever Sheep produces new podcast episodes each week that assist teachers with eLearning.
60. Time for Kids
Time for Kids provides age-appropriate news updates for students in grades K-6 and offers worksheets, quizzes and graphs directly from their website.
61. SimplyBox
Teachers can quickly grab images, text and video from various websites, then organize their collection in an easy-to-share box where users can make comments and start conversation.
62. Education World
Education World offers educators customizable templates and tools to create assessments, calendars, awards and bulletin boards.
63. We-Fi
We-Fi is a free software download that helps teachers find and connect to Wi-Fi from anywhere in the world, making it ideal for teachers who want to work when they are on the road.
64. DOC Cop
DOC Cop is a free web-based tool that tests for plagiarism then emails the teacher a report indicating the percentage that may have been copied and where the copied lines may have originally been published.
65. Plagiarism Detect
This site allows educators to check for plagiarism directly from Ms-Word 2007. It then creates a specialized report and emails it to the teacher.
66. Picasa
This free photo editor from Google makes it easy to organize and edit digital photos for bulletin boards and presentations. It features an easy share button, as well as the ability to create online albums.
67. GOOG-411
Another free service from Google, GOOG-411 can be used from any phone to quickly get the 411 on any business. Maps and information can be sent to the user’s cell phone.
68. Google Transit
Perfect for planning field trips and school outings, Google Transit sends maps of public transportation stops directly to any cell phone.
69. Cramberry
Cramberry allows teachers to make flash cards and track their students’ progress online or through Cramberry’s iPhone app.
70. Flash Card Machine
Teachers can easily create web-based flash cards complete with text, images and audio.
71. Flashcard Exchange
Educators can create flashcards, then print them or share them with students online. Flashcard Exchange has an iPhone application, making it great for students or teachers who are on the go.
72. Tools for Educators
This is a free tool that lets teachers create worksheets, board games, word searches and spelling and writing handouts.
73. PBS Teachers
PBS Teachers features educational resources and activities delivered in curriculum packs that focus on specific themes and include links to supplemental material.
74. 4Teachers.org
Teachers can create bilingual online lessons, quizzes and classroom calendars, while monitoring student performance.
75. LessonPlanz
LessonPlanz unsurprisingly offer lesson plans and online resources for grades K-12 in a variety of subjects from art, science, PE and more.
76. Scholastic
Scholastic has a database of more than 10,000 lesson plans, activities and tools to help teachers engage their students.
77. TeAchnology
TeAchnoligy features more than 30,000 lesson plans in a variety of subjects, as well as 7,500 worksheets and activities.
78. Discovery Education
Originally designed for teachers by teachers, Discovery Education features lesson plans, online tools, a parent’s center and more.
79. Smithsonian Education
This site offers lesson plans in art and design, science and technology, history and culture and language arts. Math Teaching Tools
80. Google Finance
With Google Finance, Economics, Finance and Math teachers can create class projects based on the stock market and economy.
81. APlusMath
Mostly designed for elementary school students, APlusMath offers a variety of math games that cover subtraction, multiplication, division and addition.
82. Gamequarium
This interactive site hosts games for classes K-12 and is useful for students who might have problems with certain mathematical concepts.
83. Math Playground
Math Playground features math games teachers can use with interactive whiteboards to test their students’ skill level.
84. BBC
Covering numbers, space, shapes and measures, these games are ideal for elementary-aged students.
85. AAA Math
This website features interactive games that cover basic math, algebra, geometry and graphing.
86. Funbased Learning
Funbased Learning offers games and lesson plans for algebra and chemistry that range from beginning to expert skill level.
87. Coolmath4kids.com
This website offers games, puzzles and brain benders that teach addition, subtraction, long division, multiplication and factions.
88. Cram Web
The Cram Web features geometry and math games that cover multiplication, division, subtraction, and addition.
Art and Language-Learning Tools
89. Google SketchUp
This is a 3D modeling program that is available in free or discounted versions for educators teaching art, architecture, web design or construction.
90. Sketchcast
This web-based sketch pad records drawings made with either a mouse or graphic pen, or users can describe an idea into a microphone to create a computer-generated sketch.
91. Google Translate
This is an easy-to-use tool for language learners to quickly translate original language text into English.
92. RIA Materials
These online programs provide language teachers with an audio and video recorder, podcasting program, worksheet generator and exercises.
93. MIMEA
These web-based modules offer video, interactive exercises and language-learning assessments.
94. Spelling Wizard
This free resource was created for elementary students to help them learn new spelling words.
95. FreeRice
This creative game from the United Nations World Food Program encourages students to improve their English vocabulary while working to end world hunger. History and Geography Learning Tools
96. Smithsonian Panoramic Virtual Tour
This free web-based tool is a perfect way for history teachers to take their students on a virtual tour of the National Smithsonian Museum of Natural History.
97. Footnote
Footnote helps teachers bring history to life by connecting them to over 58 million historical documents.
98. Flickr: The Commons
This collection of photos helps illustrate history through the photography archives of The Library of Congress, The Smithsonian, the Powerhouse Museum and more
99. Shmoop
This site offers study guides that are written in a kid-friendly tone by Masters and PhD level graduates.
100. Google Earth
Google Earth is a great tool for geography and social studies teachers to give students a bird’s eye view of the places they are studying.
Teachers can quickly access news and reference materials through this easy-to-use online tool that features a currency converter and calculator and includes quick links to most Internet-based email providers and search engines.
2. Google’s SMS Service
Educators can search Google from their cell phones and have results sent directly to them in a text message.
3. Google Image Search
A great tool to use for teachers who are looking for specific images to use in presentations or lectures.
4. Google Alerts
Educators enter keywords or phrases they need for their lessons and Google emails them an alert each time that keyword appears in a news report, website or blog post.
5. Scholar
Google Scholar offers teachers a simple way to access scholarly literature that can be cited in their lesson plans.
6. Google Patent Search
Google Patent Search can be used to quickly access graphs, inventor information, issue and filing dates and patent numbers on over seven million inventions and ideas.
7. News Archive Search
Teachers can research historical documents and news archives based on topic or time period.
8. Book Search
With Book Search, users can browse categories or search for a specific book, read excerpts, preview the book, read reviews, purchase the book or opt to read it online.
9. Google Special Searches
Google Special Searches are perfect for teachers who want to search for information restricted to their subject matter.
10. TeacherTube
The YouTube for teachers, TeacherTube is the perfect place to find educational videos to use in lessons, tutorials or classroom instruction.
Tools for communicating with Students and Parents
11. Meebo
Meebo is a free instant messaging site that allows teachers to chat with parents and other educators across all major instant messaging networks.
12. Google Groups
Google Groups is great way to encourage students to collaborate on class projects. Teachers can create a group page, invite students to the group and post discussion topics and links.
13. Google Page Creator
Perfect for the teacher who doesn’t have web design or blogging experience, the Google Page Creator tool allows users to quickly and easily create their own web pages.
14. Google Sites
This free Google app allows teachers to create a secure group website without web design or HTML knowledge.
15. Google Talk
Google Talk provides teachers, parents and students a platform to text, voice chat and share files.
16. GoToMyPC
This software gives teachers a direct line to the school computer from their home computer or cell phone, making it easy to find and share information when they need it.
17. Scribd
Scribd is a document-sharing site where users can post documents and embed them into a web page, making it useful for teachers and students to collaborate on projects.
18. Bookgoo
This tool is similar to Scribd, but has the enhanced ability to allow teachers to edit and correct the uploaded documents.
19. Backboard
Backboard is a more expensive option that Scribd or Bookgoo, but has additional features, such as real-time feedback, email reports and hidden feedback options.
20. SchoolRack
This is a free tool for teachers that allows them to easily and quickly create classroom websites, interactive portals and parent/student mailing lists.
21. Edmodo
Edmodo is Twitter for teachers and was created specifically for classroom use. Features include a classroom calendar, micro-blogging, file and link sharing, assignments and grading functions.
Organizational Tools
22. Google Calendar
With Google Calendar, users can invite other teachers, parents or administrators to events, include students’ birthdays and test dates and send reminders directly to their cell phone.
23. Google Desktop
Google Desktop is perfect for the teacher who plans to use several Google applications as it makes it easy to find and launch apps and email from the Google Gadget button on their iGoogle page.
24. Google Mobile
Thanks to Google Mobile teachers can work on lesson plans whenever the mood strikes by utilizing these tools designed specifically for their cell phone.
25. Google Notebook
Google Notebook makes it easy for teachers to organize their lessons by allowing them to transfer images, text and links from the Internet browser on their phone to Google Notebook.
26. Google Reader
Google Reader is a one-stop shop for teachers to read updates on all of the relevant websites, news sources and blogs they use in their lessons.
27. LinkaGoGo
LinkaGoGo is an online bookmarking application that stores and organizes bookmarks and allows teachers to create a specific page for different bookmarks and topics.
28. Toodledo
This is a free online to-do list that can be accessed by the user’s cell phone. Toodledo helps educators increase productivity by storing tasks in folders and subfolders and by tagging those tasks according to due date, priority, goals and estimated time.
29. MySchoolog
Created to help students get organized, MySchoolog allows the user to schedule and organize school-related activities with to-do lists, class schedules and email reminders.
30. Hooeey
Hooeey is free tool that memorizes web browsing and allows educators to tag and comment on previously viewed links.
Sharing Tools
31. Evernote
Evernote is a note-taking tool that can easily be synced with a cell phone, allowing teachers to create and share notes on the go.
32. Google Docs
Formerly called “Writely,” Google Docs allows users to join forces and create and edit documents in real time.
33. Drop.io
Drop.io is a two-click operation that allows teachers to share files via cell phone, email, fax or a variety of other applications while ensuring students’ privacy.
34. Notecentric
Notecentric is a great tool for students to take and share notes online and is especially helpful for teachers who organize study groups and want to access that group information from their cell phones.
35. Wridea
Wridea is a free idea management application that allows educators to get their ideas down quickly, then organize and categorize them under different pages that can either be shared or marked private.
36. Keep and Share
This group file sharing tool allows teachers and students to share documents via a password-controlled interface.
37. Twiddla
Twiddla is an online meeting and co-browsing tool where teachers can correct and comment on files, images and other user-submitted content.
38. Spicebird
Spicebird is an open-source application that allows teachers to access their email, instant messaging and calendar from the same platform.
39. Stixy
With Stixy, teachers can put all of their sticky notes in one place, collaborate with other users and share documents and images.
40. ReviewBasics
Review Basics is an online tools that allows educators to share, correct and mark on images, videos and documents.
41. EditGrid
Similar to Microsoft Excel, EditGrid is a web-based tool that lets teachers share and publish spreadsheets.
42. ooVoo
Offering two-way video chat and six-way text chat, ooVoo is a great tool for teachers who need to meet with parents or conduct small group meetings outside of the classroom.
43. Palbee
Palbee is a free video conferencing tool where teachers and parents can participate in a video meeting or chat.
44. GroupTweet
This is a little corner of the tweetosphere set aside for Twitter users who want to communicate privately. It is ideal for teachers who want input or ideas from other educators outside of their network.
45. Mikogo
This easy-to-use sharing software allows teachers to collaborate for online meetings, conferences and presentations.
46. Vyew
Vyew is a platform for teachers and educators to join forces in real time when working on webinars and conferences.
47. Rave Wireless
This software allows teachers to one-way message students regarding announcements, class changes or grade postings.
48. Revisions
Revisions is a free tool created by Michigan State University that allows teachers to correct students’ submissions with either text or audio comments.
49. Scriblink
This is a free whiteboard that allows teachers and students to collaborate and share ideas in real-time, without the need to register for an account or download software.
50. SlideShare
Slideshare is a web-based tool that allows teachers to upload PowerPoint presentations and share them with other teachers and educators.
51. Chalksite
Chalksite is an online tool teachers can use to post grades and assignments, start discussions and send messages to students and parents.
52. Curriki
This wiki-based site is where teachers can share lesson plans, handouts and study guides with other educators.
Test-Making and Grading Tools
53. iQuiz
With iQuiz, teachers can create quizzes, sync them from iTunes or their iPod and share them with other educators or students.
54. ClassMarker
ClassMarker allows teachers to create multiple-choice, true/false, short answer, fill in the blank and essay tests. Results are given instantly to students and emailed directly to the educator.
55. Study Cell
Teachers and students can create flashcards for their cell phones or use flashdecks that were created by other users.
56. SnapGrades
An online grade book for teachers that allows students and parents to check grades online and receive email notifications and alerts when grades have been posted.
57. SchoolTool
This free open-source application allows teachers or administrators to record grades, track attendance, update the calendar and create report cards.
58. Engrade
Engrade is similar to SchoolTool, but is easier to use and offers an assignments calendar and grade and attendance tracker.
Miscellaneous Teaching and Lesson Planning Tools
59. The Clever Sheep
The Clever Sheep produces new podcast episodes each week that assist teachers with eLearning.
60. Time for Kids
Time for Kids provides age-appropriate news updates for students in grades K-6 and offers worksheets, quizzes and graphs directly from their website.
61. SimplyBox
Teachers can quickly grab images, text and video from various websites, then organize their collection in an easy-to-share box where users can make comments and start conversation.
62. Education World
Education World offers educators customizable templates and tools to create assessments, calendars, awards and bulletin boards.
63. We-Fi
We-Fi is a free software download that helps teachers find and connect to Wi-Fi from anywhere in the world, making it ideal for teachers who want to work when they are on the road.
64. DOC Cop
DOC Cop is a free web-based tool that tests for plagiarism then emails the teacher a report indicating the percentage that may have been copied and where the copied lines may have originally been published.
65. Plagiarism Detect
This site allows educators to check for plagiarism directly from Ms-Word 2007. It then creates a specialized report and emails it to the teacher.
66. Picasa
This free photo editor from Google makes it easy to organize and edit digital photos for bulletin boards and presentations. It features an easy share button, as well as the ability to create online albums.
67. GOOG-411
Another free service from Google, GOOG-411 can be used from any phone to quickly get the 411 on any business. Maps and information can be sent to the user’s cell phone.
68. Google Transit
Perfect for planning field trips and school outings, Google Transit sends maps of public transportation stops directly to any cell phone.
69. Cramberry
Cramberry allows teachers to make flash cards and track their students’ progress online or through Cramberry’s iPhone app.
70. Flash Card Machine
Teachers can easily create web-based flash cards complete with text, images and audio.
71. Flashcard Exchange
Educators can create flashcards, then print them or share them with students online. Flashcard Exchange has an iPhone application, making it great for students or teachers who are on the go.
72. Tools for Educators
This is a free tool that lets teachers create worksheets, board games, word searches and spelling and writing handouts.
73. PBS Teachers
PBS Teachers features educational resources and activities delivered in curriculum packs that focus on specific themes and include links to supplemental material.
74. 4Teachers.org
Teachers can create bilingual online lessons, quizzes and classroom calendars, while monitoring student performance.
75. LessonPlanz
LessonPlanz unsurprisingly offer lesson plans and online resources for grades K-12 in a variety of subjects from art, science, PE and more.
76. Scholastic
Scholastic has a database of more than 10,000 lesson plans, activities and tools to help teachers engage their students.
77. TeAchnology
TeAchnoligy features more than 30,000 lesson plans in a variety of subjects, as well as 7,500 worksheets and activities.
78. Discovery Education
Originally designed for teachers by teachers, Discovery Education features lesson plans, online tools, a parent’s center and more.
79. Smithsonian Education
This site offers lesson plans in art and design, science and technology, history and culture and language arts.
Math Teaching Tools
80. Google Finance
With Google Finance, Economics, Finance and Math teachers can create class projects based on the stock market and economy.
81. APlusMath
Mostly designed for elementary school students, APlusMath offers a variety of math games that cover subtraction, multiplication, division and addition.
82. Gamequarium
This interactive site hosts games for classes K-12 and is useful for students who might have problems with certain mathematical concepts.
83. Math Playground
Math Playground features math games teachers can use with interactive whiteboards to test their students’ skill level.
84. BBC
Covering numbers, space, shapes and measures, these games are ideal for elementary-aged students.
85. AAA Math
This website features interactive games that cover basic math, algebra, geometry and graphing.
86. Funbased Learning
Funbased Learning offers games and lesson plans for algebra and chemistry that range from beginning to expert skill level.
87. Coolmath4kids.com
This website offers games, puzzles and brain benders that teach addition, subtraction, long division, multiplication and factions.
88. Cram Web
The Cram Web features geometry and math games that cover multiplication, division, subtraction, and addition.
Art and Language-Learning Tools
89. Google SketchUp
This is a 3D modeling program that is available in free or discounted versions for educators teaching art, architecture, web design or construction.
90. Sketchcast
This web-based sketch pad records drawings made with either a mouse or graphic pen, or users can describe an idea into a microphone to create a computer-generated sketch.
91. Google Translate
This is an easy-to-use tool for language learners to quickly translate original language text into English.
92. RIA Materials
These online programs provide language teachers with an audio and video recorder, podcasting program, worksheet generator and exercises.
93. MIMEA
These web-based modules offer video, interactive exercises and language-learning assessments.
94. Spelling Wizard
This free resource was created for elementary students to help them learn new spelling words.
95. FreeRice
This creative game from the United Nations World Food Program encourages students to improve their English vocabulary while working to end world hunger.
History and Geography Learning Tools
96. Smithsonian Panoramic Virtual Tour
This free web-based tool is a perfect way for history teachers to take their students on a virtual tour of the National Smithsonian Museum of Natural History.
97. Footnote
Footnote helps teachers bring history to life by connecting them to over 58 million historical documents.
98. Flickr: The Commons
This collection of photos helps illustrate history through the photography archives of The Library of Congress, The Smithsonian, the Powerhouse Museum and more
99. Shmoop
This site offers study guides that are written in a kid-friendly tone by Masters and PhD level graduates.
100. Google Earth
Google Earth is a great tool for geography and social studies teachers to give students a bird’s eye view of the places they are studying.
http://cellphones.org/blog/100-mobile-tools-for-teachers/